London Heathrow’s (LHR) Terminal 5 is home to Iberia Airlines LHR Terminal In addition to quick security checks, cozy lounges, and a selection of food and retail options, this state-of-the-art terminal provides seamless service for Iberia travelers. Because the terminal can accommodate both short- and long-haul aircraft, travelers traveling to locations throughout Europe and beyond will find it convenient. At this terminal, Iberia and British Airways’ partnership improves connectivity, facilitating seamless transfers for travelers with connecting flights within the OneWorld alliance.